Magma differentiation tends to produce deposits of ________ near the base of intrusions
A) chromite B) silver C) gold D) copper
A
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According to Figure 11.13, which option correctly describes the movement of two pins on either side of a plane in a block of clay submitted to shear stress?
A) They remain in the same position. B) They move farther from the plane. C) They move closer to the plane. D) They slide along at the same distance from the plane in opposite directions.
Which of the following alkenes, all of which have the molecular formula C5H10, would you expect to have the lowest boiling point?
A) 4-methyl-1-pentene B) 4-methyl-2-pentene C) 2,3-dimethyl-2-butene D) 2-hexene
Chinook (or foehn) winds are ____
a. cold, moist, upslope winds b. warm, dry, downslope winds c. cold, dry, downslope winds d. warm, moist, upslope winds e. the same temperature as their surroundings, but especially high velocity
Part of the reason for the lack of good flood control in the United States is that ________.
a. government spending priorities have shifted, and flood control funds have been cut b. there has been no long-term planning that showed a need for flood control c. sufficient funding is actually present, but the groups to carry out the work are too small d. money has been tight, and government spending overall has been reduced e. there is no use spending money for something we cannot control anyway